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//
// Programmer: Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Sun Dec 28 15:18:46 GMT-0800 1997
// Last Modified: Mon Jan 12 20:05:27 GMT-0800 1998
// Last Modified: Wed Jun 30 11:29:51 PDT 1999 (added sysex capability)
// Filename: ...sig/code/control/MidiInPort/visual/MidiInPort_visual.h
// Web Address: http://www-ccrma.stanford.edu/~craig/improv/include/MidiInPort_visual.h
// Syntax: C++
//
// Description: An interface for MIDI input capabilities of
// Windows 95/NT/98 specific MIDI input methods.
// as defined in winmm.lib. This class is inherited
// privately by the MidiInPort class.
//
#ifndef _MIDIINPUT_VISUAL_H_INCLUDED
#define _MIDIINPUT_VISUAL_H_INCLUDED
#ifdef VISUAL
#define DEFAULT_INPUT_BUFFER_SIZE (1024)
#include <windows.h>
#include <mmsystem.h>
#include "MidiMessage.h"
#include "CircularBuffer.h"
#include "Array.h"
class MidiInPort_visual {
public:
MidiInPort_visual (void);
MidiInPort_visual (int aPort, int autoOpen = 1);
~MidiInPort_visual ();
void clearSysex (void);
void clearSysex (int buffer);
void close (void);
void closeAll (void);
MidiMessage extract (void);
int getBufferSize (void);
int getChannelOffset (void) const;
int getCount (void);
const char* getName (void);
static const char* getName (int i);
static int getNumPorts (void);
int getPort (void);
int getPortStatus (void);
uchar* getSysex (int buffer);
int getSysexSize (int buffer);
int getTrace (void);
void insert (const MidiMessage& aMessage);
int installSysex (uchar* anArray, int aSize);
MidiMessage& message (int index);
int open (void);
void pause (void);
void setBufferSize (int aSize);
void setChannelOffset (int anOffset);
void setPort (int aPort);
int setTrace (int aState);
void toggleTrace (void);
void unpause (void);
protected:
int port; // the port to which this object belongs
int trace;
int installSysexPrivate (int port, uchar* anArray, int aSize);
void installSysexStuff (HMIDIIN dev, int port);
void uninstallSysexStuff (HMIDIIN dev, int port);
static int objectCount; // num of similar objects in existence
static int* portObjectCount; // objects connected to particular port
static int* openQ; // for open/close status of port
static int* inrunningQ; // for running open input port
static int numDevices; // number of input ports
static HMIDIIN* device; // Windoze MIDI-in device structure
static MIDIHDR** sysexDriverBuffer1; // for Windoze driver sysex buffers
static MIDIHDR** sysexDriverBuffer2; // for Windoze driver sysex buffers
static int* sysexDBnumber; // for Windoze driver sysex buffers
static HANDLE* hMutex; // mutual exclusive
static CircularBuffer<MidiMessage>* midiBuffer; // MIDI storage from ports
static int channelOffset; // channel offset from either 0 or 1.
// not being used right now.
static int* sysexWriteBuffer; // for MIDI sysex write location
static Array<uchar>** sysexBuffers;// for MIDI sysex storage
static int* sysexStatus; // tracing multiple MIM_LONGDATA messgs
private:
void deinitialize (void);
void initialize (void);
void releaseMutex (void);
void setPortStatus (int aStatus);
void waitForMutex (void);
friend void CALLBACK midiInputCallback(HMIDIIN hMidiIn, UINT inputStatus,
DWORD instancePtr, DWORD midiMessage, DWORD timestamp);
};
// This is the command which is called by the driver when there is
// MIDI data being received from the MIDI input port:
void CALLBACK midiInputCallback(HMIDIIN hMidiIn, UINT inputStatus,
DWORD instancePtr, DWORD midiMessage, DWORD timestamp);
#endif /* VISUAL */
#endif /* _MIDIINPUT_VISUAL_H_INCLUDED */
// md5sum: d5aee7a88c4a054b3e2d4d40622fdc42 - MidiInPort_visual.h =css= 20030102
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